#23209B#23209B
#23209B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.4% C 0.189 H 272.2°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).
Color values
| HEX | #23209B |
|---|---|
| RGB | rgb(35, 32, 155) |
| HSL | hsl(241, 66%, 37%) |
| HSV | hsv(241, 79%, 61%) |
| CMYK | cmyk(77.4%, 79.4%, 0%, 39.2%) |
| CIE-LAB | lab(22.85, 43.37, -65.09) |
| CIE-LCH | lch(22.85, 78.21, 303.67°) |
| OKLab | oklab(35.37% 0.0074 -0.1884) |
| OKLCH | oklch(35.37% 0.189 272.2) |
| XYZ | xyz(7.1241, 3.7561, 31.3535) |
| Luminance | 0.0376 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 2.56
Cobalt Blue
#030AA7
ΔE00 3.83
Indigo Blue
#3A18B1
ΔE00 4.18
Royal Blue (survey)
#0504AA
ΔE00 4.38
Ultramarine
#2000B1
ΔE00 4.78
Darkblue
#00008B
ΔE00 6.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#23209B #989B20
analogous
#205B9B #23209B #61209B
triadic
#23209B #9B2320 #209B23
tetradic
#23209B #9B205B #989B20 #209B61
square
#23209B #9B205B #989B20 #209B61
split-complementary
#23209B #9B6120 #5B9B20
monochromatic
#0C0B36 #181668 #23209B #2E2ACE #5C59DD
Accessibility & contrast
On white
11.99
#23209B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#23209B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #23209B
11.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##23209B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##23209B | 1.00 | 11.99 | 1.75 | 11.99 |
| #FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003C9E
Deuteranopia (green-blind)
#003099
Tritanopia (blue-blind)
#00465D
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #23209b; /* rgb */ color: rgb(35, 32, 155); /* oklch */ color: oklch(35.4% 0.189 272.2);
Tailwind
colors: {
custom: {
50: '#745eba',
500: '#23209b',
950: '#000000',
},
}SCSS
$custom: #23209b; $custom-light: #745eba; $custom-dark: #000000;
JSON
{
"hex": "#23209b",
"rgb": {
"r": 35,
"g": 32,
"b": 155
},
"hsl": {
"h": 241.463,
"s": 65.775,
"l": 36.667
},
"oklch": {
"l": 0.35367,
"c": 0.18853,
"h": 272.2
},
"luminance": 0.03757
}Semantic roles & 50–950 ramp
primary
#23209B
secondary
#BEC156
accent
#E93FE5
background
#F7F5FB
surface
#EEE9F6
border
#C9C5D0
text
#0A0412
muted
#7C7981